by Diana Palmer $7.00
by Gusnaldi $26.00
by Daradjadi Gondodiprojo $6.05
by Dr. Ir. Muhammad Rasyaf, MS $7.00
by Drs. M. Fauzan, H. Abdul Manan $11.00
by E. Nurhayati $7.00
by Dra. M. Sri Sulastri Rifai, M.Pd $6.00
by Drs. Ahsin W. Al-Hafidz $6.00
by WK $12.00
by Dyan Sheldon $7.00
by Maria Jacklyn $7.00
by Hadi Soesastro et.al $5.00